supply of material for barbed wire fencing at resham farm-gajpatipur , district - baharaich- supply of pozonolla portland cement as per isi code 1489-2015 birla, acc, jypee every bag shall be deemed to contain 50 kg of cement. the suppliers may liable to submit test report. including loading, carriage, unloading and stacking at site 2 supply of coarse sand shall be clean sharp and free from clay, loam, organic or any other foreign matter, shall be obtained from approved source. the contractor shall get the sample of coarse sand approved by the engineer-in charge. sand which in the opinion of the engineer in charge of his or his representative. if dirty must be washed to his satisfaction at the cost and expanses of the contractor coarse sand shall pass through a mesh. 4.75 mm square measured in the clear. sand shall not be used for concrete works if it contains more than 10 % of fine grains passing through a 76 mesh sieve. should the fineness modules be less than 2.25 unless specific permission is obtained from the engineer in charge. including loading, carriage, unloading and stacking at site 3 supply of 20mm gauge approved stone grit for cement concrete ( plain or reinforced ) shall be hard, of uniform and fine texture free form faults or planes of weakness and free from weathered faces. stone of black and hard variety as is generally available from quarries in lalkuan areas will be normally used. stone aggregates from other sources may also be used provided the same is found suitable in the opinion of the engineer-in-charge. the opinion of engineer-in-charge must be recorded in writing. the stone grit shall be obtained by breaking from large blocks and must be more or less cubicle in shape stone grit grading shall be in conformity with the requirements laid down in the indian standards specification. including loading, carriage, unloading and stacking at site. 4 supply of 40mm gauge approved stone ballast for cement concrete ( plain or reinforced ) shall be hard, of uniform and fine texture free form faults or planes of weakness and free from weathered faces. the ballast or chips must be free from loam, clay or any surface coating, free from organic matter or other impurities and screened, free of dust. stone of black and hard variety as is generally available from quarries in lalkuan areas will be normally used. stone aggregates from other sources may also be used provided the same is found suitable in the opinion of the engineer-in-charge. the opinion of engineer-in-charge must be recorded in writing. the ballast or chips shall be obtained by breaking from large blocks and must be more or less cubicle in shape stone grit grading shall be in conformity with the requirements laid down in the indian standards specification. including loading, carriage, unloading and stacking at site 5 supply of tmt bar 8 to 10 mm dia, fe-415 conforming to is code 1786-1985 including carriage loading unloading complete. 6 fencing with r.c.c. post placed at required distance, embedded in cement concrete blocks, every 15th post, last but one end post and corner post shall be strutted on both sides and end post one side only, provided with horizontal lines and two diagonals of barbed wire weighing 9.38 kg per 100 metres ( minimum ) , between the two posts fitted and fixed with g.i. staples on wooden plugs or g.i. binding wire tied to 6 mm bar nibs fixed while casting the post ( cost of r.c.c. posts, struts, earth work and concrete to be paid for separately ) :- payment to be made per metre cost of total length of barbed wire used.